The required language test depends on the language of instruction of the program. For English-taught programs, students usually need IELTS or TOEFL scores. The minimum required score varies by university. For German-taught programs, students must provide proof of German language skills through exams like TestDaF or DSH. Some universities may also accept Goethe certificates. Even if the course is in English, learning basic German can help students in daily life and part-time job opportunities.